#4138BD#4138BD

#4138BD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.3% C 0.199 H 277.5°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#4138BD
RGB	rgb(65, 56, 189)
HSL	hsl(244, 54%, 48%)
HSV	hsv(244, 70%, 74%)
CMYK	cmyk(65.6%, 70.4%, 0%, 25.9%)
CIE-LAB	lab(33.19, 44.11, -68.38)
CIE-LCH	lch(33.19, 81.37, 302.82°)
OKLab	oklab(44.28% 0.026 -0.1974)
OKLCH	oklch(44.28% 0.199 277.5)
XYZ	xyz(12.7765, 7.6252, 48.9328)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4138BD #B4BD38

analogous

#3871BD #4138BD #8338BD

triadic

#4138BD #BD4138 #38BD41

tetradic

#4138BD #BD3871 #B4BD38 #38BD83

square

#4138BD #BD3871 #B4BD38 #38BD83

split-complementary

#4138BD #BD8338 #71BD38

monochromatic

#211C5F #312A8E #4138BD #6962D0 #9691DE

Accessibility & contrast

On white

8.32

#4138BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4138BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4138BD

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4138BD	#FFFFFF	#000000	##FFFFFF
##4138BD	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4138bd;
/* rgb */ color: rgb(65, 56, 189);
/* oklch */ color: oklch(44.3% 0.199 277.5);

Tailwind

colors: {
  custom: {
    50: '#8570d2',
    500: '#4138bd',
    950: '#000000',
  },
}

SCSS

$custom: #4138bd;
$custom-light: #8570d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4138bd",
  "rgb": {
    "r": 65,
    "g": 56,
    "b": 189
  },
  "hsl": {
    "h": 244.06,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44283,
    "c": 0.19912,
    "h": 277.5
  },
  "luminance": 0.07626
}

Semantic roles & 50–950 ramp

primary

#4138BD

secondary

#C5C987

accent

#DE4AD4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4138BD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →